Steel bar cutting device for concrete pipe pile

By designing a steel bar cut-off device for concrete pipe piles including a support frame, a cutting mechanism and a limiting mechanism, the problem of difficulty in cutting thick steel bars in the prior art is solved, and rapid and efficient cut-off of steel bars of different thicknesses is achieved, and cutting efficiency and accuracy are improved.

CN222856588UActive Publication Date: 2025-05-13JIANGXI FENGDA NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202421617984.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-05-13
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing steel bar cut-off device for concrete pipe piles is difficult to cut off when dealing with thick steel bars, and it is even impossible to cut off.

Method used

A reinforced bar cut-off device including a support frame, a cutting mechanism and a limiting mechanism is designed. By setting up placement cylinders with different apertures, using the clamping and propulsion actions of the second cylinder and the first cylinder, the steel bars are placed in front of the cutting sheet, and the gears and internal tooth belt system driven by the motor are used to rotate the cutting sheet at a high speed, and the cutting sheet is driven to move to the steel bars through the hydraulic telescopic cylinder, achieving rapid and efficient cutoff of steel bars of different thicknesses. The limiting mechanism uses clamping plates and silicone pads to ensure that the steel bars do not move during the cutting process.

Benefits of technology

The problem of difficulty in cutting thick steel bars is effectively solved, and the rapid and efficient cutoff of steel bars of different thicknesses is achieved, which improves cutting efficiency and accuracy.

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Abstract

The utility model relates to the technical field of pipe pile steel bar cutting, and discloses a steel bar cutting device for a concrete pipe pile, which is characterized in that the bottom of a support frame is rotatably connected with a roller, a placing cylinder is placed at the bottom of the roller, a cutting mechanism is mounted on the rear side of the support frame, and a placing groove corresponding to the cutting mechanism is formed in the inner side of the support frame; according to the steel bar cut-off device for the concrete pipe pile, through the arranged cutting mechanism, a steel bar is placed in the containing cylinder to slide and move to the position of a cutting blade at the moment, through starting of a motor, under cooperation of a first gear, a second gear and an inner tooth belt, high-speed rotation of the cutting blade can be guaranteed, and the steel bar can be cut off; at the moment, a hydraulic telescopic cylinder is shortened to rotate a movable rod towards the bottom of a supporting frame, so that a cutting blade can be driven to move towards the reinforcing steel bars, rapid and efficient cutting operation is conducted on the reinforcing steel bars with different thicknesses, and the problems that when the diameter of the reinforcing steel bars is large, cutting is strenuous through a cutting knife, and even cutting cannot be conducted are effectively solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel bar cutting for pipe piles, in particular to a steel bar cutting device for concrete pipe piles. Background Art

[0002] Pipe piles are hollow, long strips of structural elements, mostly with round or square cross-sections. They are usually made of concrete, steel and other materials, and have a large load-bearing capacity. Pipe piles require the use of steel bars during the pouring process, and the steel bars need to be cut into different lengths according to the height requirements of the pipe piles.

[0003] Patent network announcement number CN219464619U discloses a steel bar cutting device for concrete pipe piles, a steel bar cutting device for concrete pipe piles, including a workbench and a cutting knife installed above the workbench, a positioning plate capable of positioning the steel bar is installed on the workbench, when the cutting knife is in a cutting state, the positions of the cutting knife and the positioning plate are relative, when one end of the steel bar passes under the cutting knife and abuts vertically against the positioning plate, the required length of the steel bar is the distance between the positioning plate and the cutting knife in the cutting state, the present application has the effect of being able to obtain the required steel bar with higher length accuracy.

[0004] The above device can only cut thin steel bars by the cutting knife. When the diameter of the steel bar is thick, the cutting knife is difficult to cut, and may even cause the problem of being unable to cut, so improvement is needed. Utility Model Content

[0005] The utility model aims to provide a steel bar cutting device for concrete pipe piles to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar cutting device for concrete pipe piles, comprising a support frame, a roller is rotatably connected to the bottom of the support frame, a placing tube is placed at the bottom of the roller, a second cylinder is fixedly connected to one end of the support frame inside the placing tube, an upper clamping plate is fixedly connected to the bottom of the second cylinder, a lower clamping plate is fixedly connected to the inner side of the support frame corresponding to the upper clamping plate, a cutting mechanism is installed on the rear side of the support frame, a placing groove is provided on the inner side of the support frame corresponding to the cutting mechanism, a limiting mechanism is installed on the outer side of the support frame near the placing tube, and the support frame is fixedly connected to the first cylinder on the outer side of the limiting mechanism.

[0007] Preferably, the cutting mechanism includes a fixed rod, which is fixedly connected to the inner side of the bottom of the support frame, the bottom hinge of the fixed rod is hinged with a hydraulic telescopic cylinder, the top hinge of the hydraulic telescopic cylinder is hinged with a movable rod, the rear end of the movable rod is rotatably connected to a rotating cylinder, the right side of the rotating cylinder is fixedly connected to the inner side of the support frame, the bottom of the support frame is fixedly connected with a motor corresponding to the rotating cylinder, the motor is fixedly connected with a second gear at the left end of the rotating cylinder, the front side and the middle part of the movable rod are rotatably connected to the first gear, and the other side of the second gear is fixedly connected to a cutting blade.

[0008] Preferably, an internal tooth belt is provided between the first gear and the second gear, and the first gear and the second gear are transmission-connected via the internal tooth belt.

[0009] Preferably, the motor is provided with an output shaft, and the motor is fixedly connected to a first gear on the other side of the rotating cylinder via the output shaft.

[0010] Preferably, a rotating shaft is arranged in the middle of the second gear, and the second gear is fixedly connected to the cutting disc at the other side through the rotating shaft.

[0011] Preferably, the limiting mechanism includes a support seat, the support seat is fixedly connected to the top of the support frame near the outer side, the top of the support seat is fixedly connected to a third cylinder, the bottom end of the third cylinder is fixedly connected to a clamping plate, both sides of the clamping plate are slidably connected to sliding rods, the top of the sliding rod is fixedly connected to a top support plate, the bottom end of the sliding rod is fixedly connected to a bottom support plate, the top of the bottom support plate is fixedly connected to a second silicone pad, and the bottom of the clamping plate is fixedly connected to a first silicone pad.

[0012] Preferably, the support seat is provided with a movable hole corresponding to the center hole of the placement tube, and the support seat is provided with a through hole corresponding to the first cylinder, and the rod in the first cylinder passes through and contacts with the placement tube.

[0013] Compared with the prior art, the utility model provides a steel bar cutting device for concrete pipe piles, which has the following beneficial effects:

[0014] 1. The steel bar cutting device for concrete pipe piles can place placement tubes with different apertures on the roller according to needs through the provided cutting mechanism. At this time, the upper clamping plate and the lower clamping plate are brought close to each other to clamp the placement tube through the cooperation of the second cylinder, and the placement tube is pushed toward the placement tube by the first cylinder, so as to further tighten the placement tube. At this time, the steel bar is placed in the placement tube for sliding and moved to the cutting plate. The motor is started, and the first gear, the second gear and the inner tooth belt cooperate to ensure the high-speed rotation of the cutting plate. At this time, the hydraulic telescopic cylinder is shortened to rotate the movable rod toward the bottom of the support frame, so as to drive the cutting plate to move toward the steel bar and perform fast and efficient cutting operations on steel bars of different thicknesses, which effectively solves the problem that when the diameter of the steel bar is thick, the cutting knife is laborious to cut, and even cannot cut.

[0015] 2. The steel bar cutting device for concrete pipe piles has a limiting mechanism. When the steel bar is placed in the cutting position, the size of the inside of the placing tube needs to be larger than the steel bar body to facilitate the sliding of the steel bar inside the placing tube. In order to ensure that the steel bar does not move arbitrarily during the cutting process, the third cylinder drives the clamping plate to move toward the steel bar, so that the first silicone pad and the second silicone pad are clamped with each other, and the two ends of the steel bar can be clamped to ensure that the steel bar does not move arbitrarily during the cutting process of the cutting piece, thereby enhancing the efficiency of steel bar cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0017] Figure 1 It is a schematic diagram of one side of the overall structure of the utility model;

[0018] Figure 2 It is a top view schematic diagram of the overall structure of the utility model;

[0019] Figure 3 It is a schematic diagram of one side of the cutting mechanism;

[0020] Figure 4 It is a schematic diagram of one side of the limiting mechanism.

[0021] In the figure: 1. first cylinder; 11. placement groove; 2. placement cylinder; 3. second cylinder; 4. cutting mechanism; 41. internal toothed belt; 42. movable rod; 43. first gear; 44. fixed rod; 45. hydraulic telescopic cylinder; 46. second gear; 47. rotating cylinder; 48. motor; 49. cutting blade; 5. limiting mechanism; 51. third cylinder; 52. top support plate; 53. clamping plate; 54. first silicone pad; 55. support seat; 56. bottom support plate; 57. second silicone pad; 58. movable hole; 59. sliding rod; 6. upper clamping plate; 7. lower clamping plate; 8. roller; 9. support frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The utility model provides the following technical solutions:

[0025] Embodiment 1

[0026] See also Figure 1-3 A steel bar cutting device for concrete pipe piles includes a support frame 9, a roller 8 is rotatably connected to the bottom of the support frame 9, a placing tube 2 is placed at the bottom of the roller 8, a second cylinder 3 is fixedly connected to one end of the inner side of the placing tube 2 of the support frame 9, an upper clamping piece 6 is fixedly connected to the bottom of the second cylinder 3, a lower clamping piece 7 is fixedly connected to the inner side of the support frame 9 corresponding to the upper clamping piece 6, a cutting mechanism 4 is installed on the rear side of the support frame 9, a placing groove 11 is provided on the inner side of the support frame 9 corresponding to the cutting mechanism 4, a limiting mechanism 5 is installed on the outer side of the support frame 9 near the placing tube 2, and the support frame 9 is fixedly connected to the first cylinder 1 on the outer side of the limiting mechanism 5.

[0027] The placement slot 11 can be used to carry coolant when coolant is needed during the steel bar cutting process.

[0028] The cutting mechanism 4 includes a fixed rod 44, which is fixedly connected to the inner side of the bottom of the support frame 9. The bottom of the fixed rod 44 is hinged with a hydraulic telescopic cylinder 45, and the top of the hydraulic telescopic cylinder 45 is hinged with a movable rod 42. The rear end of the movable rod 42 is rotatably connected to a rotating cylinder 47. The right side of the rotating cylinder 47 is fixedly connected to the inner side of the support frame 9. The bottom of the support frame 9 is fixedly connected with a motor 48 corresponding to the rotating cylinder 47. The motor 48 is fixedly connected to the second gear 46 at the left end of the rotating cylinder 47. The front side and the middle part of the movable rod 42 are rotatably connected to the first gear 43, and the other side of the second gear 46 is fixedly connected to a cutting blade 49. Through the provided cutting mechanism 4, the placement tubes 2 of different apertures are placed on the roller 8 as needed. At this time, the upper clamping plate 6 and the lower clamping plate 7 are brought close to each other to clamp the placement tube 2 through the cooperation of the second cylinder 3, and the placement tube 2 is pushed toward the first cylinder 1 to further tighten the placement tube 2. At this time, the steel bar is placed in the placement tube 2 for sliding, and moved to the cutting plate 49, and started by the motor 48. With the cooperation of the first gear 43, the second gear 46 and the inner toothed belt 41, the high-speed rotation of the cutting plate 49 can be guaranteed. At this time, the hydraulic telescopic cylinder 45 is shortened to rotate the movable rod 42 toward the bottom of the support frame 9, thereby driving the cutting plate 49 to move toward the steel bar and performing fast and efficient cutting operations on steel bars of different thicknesses, effectively solving the problem that when the diameter of the steel bar is thick, the cutting knife is difficult to cut, and even cannot cut.

[0029] An internal toothed belt 41 is provided between the first gear 43 and the second gear 46 , and the first gear 43 and the second gear 46 are connected in transmission via the internal toothed belt 41 .

[0030] The motor 48 is provided with an output shaft, and the motor 48 is fixedly connected to the first gear 43 at the other side of the rotating cylinder 47 via the output shaft.

[0031] A rotating shaft is disposed in the middle of the second gear 46 , and the second gear 46 is fixedly connected to the cutting blade 49 at the other side through the rotating shaft.

[0032] Embodiment 2

[0033] See also Figure 1-4, and on the basis of the first embodiment, the limiting mechanism 5 further comprises a support seat 55, the support seat 55 is fixedly connected to the top of the support frame 9 near the outside, the top of the support seat 55 is fixedly connected to the third cylinder 51, the bottom of the third cylinder 51 is fixedly connected to the clamping plate 53, the two sides of the clamping plate 53 are slidably connected to the sliding rod 59, the top of the sliding rod 59 is fixedly connected to the top support plate 52, the bottom of the sliding rod 59 is fixedly connected to the bottom support plate 56, the top of the bottom support plate 56 is fixedly connected to the second silicone pad 57, and the bottom of the clamping plate 53 is fixedly connected to the first silicone pad 54. Through the setting of the limiting mechanism 5, when the steel bar is placed in the cutting position, in order to facilitate the steel bar to slide inside the placement tube 2, the size of the placement tube 2 needs to be larger than the steel bar body, in order to ensure that the steel bar will not move arbitrarily during the cutting process, the third cylinder 51 drives the clamping plate 53 to move toward the steel bar, so that the first silicone pad 54 and the second silicone pad 57 are clamped with each other, and the two ends of the steel bar can be clamped to ensure that the steel bar will not move arbitrarily during the cutting process of the cutting blade 49, thereby enhancing the efficiency of steel bar cutting.

[0034] The support seat 55 is provided with a movable hole 58 corresponding to the center hole of the placement tube 2 , and the support seat 55 is provided with a through hole corresponding to the first cylinder 1 , through which the rod in the first cylinder 1 passes to contact the placement tube 2 .

[0035] During actual operation, when this device is used, the placement tube 2 with different apertures is placed on the roller 8 as needed. At this time, the upper clamping plate 6 and the lower clamping plate 7 are brought close to each other to clamp the placement tube 2 through the cooperation of the second cylinder 3, and the placement tube 2 is pushed toward the first cylinder 1 to further tighten the placement tube 2. At this time, the steel bar is placed in the placement tube 2 for sliding and moved to the cutting plate 49, and started by the motor 48. With the cooperation of the first gear 43, the second gear 46 and the inner toothed belt 41, the high-speed rotation of the cutting plate 49 can be guaranteed. At this time, the hydraulic telescopic cylinder 45 is shortened to rotate the movable rod 42 toward the bottom of the support frame 9, thereby driving the cutting plate 49 to move toward the steel bar and performing fast and efficient cutting operations on steel bars of different thicknesses, effectively solving the problem that when the diameter of the steel bar is thick, the cutting knife is difficult to cut, and even cannot cut.

[0036] When the steel bar is placed in the cutting position, in order to facilitate the sliding of the steel bar inside the placing tube 2, the size of the inside of the placing tube 2 needs to be larger than the steel bar body. In order to ensure that the steel bar does not move arbitrarily during the cutting process, the third cylinder 51 drives the clamping plate 53 to move toward the steel bar, so that the first silicone pad 54 and the second silicone pad 57 are clamped with each other, and the two ends of the steel bar can be clamped to ensure that the steel bar does not move arbitrarily during the cutting process of the cutting blade 49, thereby enhancing the efficiency of steel bar cutting.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A steel bar cutting device for a concrete pipe pile, comprising a support frame (9), characterized in that: The bottom of the support frame (9) is rotatably connected to a roller (8), a placement tube (2) is placed at the bottom of the roller (8), a second cylinder (3) is fixedly connected to one end of the inner side of the placement tube (2) of the support frame (9), an upper clamping plate (6) is fixedly connected to the bottom of the second cylinder (3), a lower clamping plate (7) is fixedly connected to the inner side of the support frame (9) corresponding to the upper clamping plate (6), a cutting mechanism (4) is installed on the rear side of the support frame (9), a placement groove (11) is provided on the inner side of the support frame (9) corresponding to the cutting mechanism (4), a limiting mechanism (5) is installed on the outer side of the support frame (9) close to the placement tube (2), and the support frame (9) is fixedly connected to the first cylinder (1) on the outer side of the limiting mechanism (5).

2. A steel bar cutting device for concrete pipe piles according to claim 1, characterized in that: The cutting mechanism (4) comprises a fixed rod (44), wherein the fixed rod (44) is fixedly connected to the inner side of the bottom of the support frame (9), the bottom of the fixed rod (44) is hingedly connected to a hydraulic telescopic cylinder (45), the top of the hydraulic telescopic cylinder (45) is hingedly connected to a movable rod (42), the rear end of the movable rod (42) is rotatably connected to a rotating cylinder (47), the right side of the rotating cylinder (47) is fixedly connected to the inner side of the support frame (9), the bottom of the support frame (9) is fixedly connected to a motor (48) corresponding to the rotating cylinder (47), the motor (48) is fixedly connected to a second gear (46) at the left end of the rotating cylinder (47), the front side and the middle part of the movable rod (42) are rotatably connected to the first gear (43), and the other side of the second gear (46) is fixedly connected to a cutting blade (49).

3. A steel bar cutting device for concrete pipe piles according to claim 2, characterized in that: An internal toothed belt (41) is provided between the first gear (43) and the second gear (46), and the first gear (43) and the second gear (46) are connected in transmission via the internal toothed belt (41).

4. A steel bar cutting device for concrete pipe piles according to claim 2, characterized in that: The motor (48) is provided with an output shaft, and the motor (48) is fixedly connected to a first gear (43) on the other side of the rotating cylinder (47) via the output shaft.

5. A steel bar cutting device for concrete pipe piles according to claim 2, characterized in that: A rotating shaft is arranged in the middle of the second gear (46), and the second gear (46) is fixedly connected to the cutting blade (49) at the other side via the rotating shaft.

6. A steel bar cutting device for concrete pipe piles according to claim 1, characterized in that: The limiting mechanism (5) comprises a support seat (55), the support seat (55) is fixedly connected to the top of the support frame (9) near the outer side, the top of the support seat (55) is fixedly connected to a third cylinder (51), the bottom end of the third cylinder (51) is fixedly connected to a clamping plate (53), both sides of the clamping plate (53) are slidably connected to sliding rods (59), the top of the sliding rod (59) is fixedly connected to a top support plate (52), the bottom end of the sliding rod (59) is fixedly connected to a bottom support plate (56), the top of the bottom support plate (56) is fixedly connected to a second silicone pad (57), and the bottom of the clamping plate (53) is fixedly connected to a first silicone pad (54).

7. A steel bar cutting device for concrete pipe piles according to claim 6, characterized in that: The support seat (55) is provided with a movable hole (58) corresponding to the central hole of the placement tube (2), and the support seat (55) is provided with a through hole corresponding to the first cylinder (1), and the inner rod of the first cylinder (1) passes through and contacts with the placement tube (2).

Citation Information

Patent Citations

  • Steel bar cutting device for concrete pipe pile

    CN219464619U